Colors
Set windows Pick a window to compare it with the one before

Boros: Lorwyn Eclipsed (49 decks), compared with Avatar: The Last Airbender (66 decks)

New cards by set

Cards first printed in the set · share of Boros decks that can play them

– means fewer than 3 decks. Picked up later: the share clearly rose after the release window (10+ decks, |z| ≥ 3).

Cards

No card changed clearly between Avatar: The Last Airbender and Lorwyn Eclipsed. Closest to a trend:

▼ Reprieve 15.2% → 0.0% z = -2.9
▲ Ragavan, Nimble Pilferer 25.8% → 46.9% z = 2.4
▲ Eiganjo Castle 6.1% → 20.4% z = 2.3

Commanders

Share of Boros decks · each builder counts once

No commander changed clearly. Closest to a trend:

▼ General Ferrous Rokiric 12.1% → 6.1% z = -1.1
▼ Feather, the Redeemed 9.1% → 4.1% z = -1.0
▲ Rograkh, Son of Rohgahh & Yoshimaru, Ever Faithful 10.6% → 16.3% z = 0.9

Shares are out of the decks that can play the card. A change shows when it's clear: 10+ decks on one side and |z| ≥ 3, odds under 1 in 300 by chance. Cards first printed in Lorwyn Eclipsed are under New cards by set.

Deck shape by window

Per deck, except the deck count and shares

Each builder counts once per commander and set window, with their latest list. A deck counts in the window of its last edit.